32420202140023 has 4 divisors (see below), whose sum is σ = 34327272854160. Its totient is φ = 30513131425888.

The previous prime is 32420202139991. The next prime is 32420202140069. The reversal of 32420202140023 is 32004120202423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32420202140023 - 2⁵ = 32420202139991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32420202140023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32420202440023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953535357043 + ... + 953535357076.

It is an arithmetic number, because the mean of its divisors is an integer number (8581818213540).

Almost surely, 2^{32420202140023} is an apocalyptic number.

32420202140023 is a deficient number, since it is larger than the sum of its proper divisors (1907070714137).

32420202140023 is a wasteful number, since it uses less digits than its factorization.

32420202140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907070714136.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 32420202140023 its reverse (32004120202423), we get a palindrome (64424322342446).

The spelling of 32420202140023 in words is "thirty-two trillion, four hundred twenty billion, two hundred two million, one hundred forty thousand, twenty-three".